Portable air compressor

Abstract

The utility model belongs to the technical field of air compression equipment, and relates to a portable air compressor which comprises a motor, crank cases are arranged on the two sides of the motor respectively, an air cylinder assembly is arranged above the crank cases, cylinder covers of the air cylinder assembly are communicated through a pair of connecting pipes, a top cover is arranged above the air cylinder assembly, and the top cover is connected with the air compressor through a pair of connecting pipes. The top cover comprises mounting seats at two ends and a protective cover in the middle, the mounting seats respectively cover the cylinder cover and are fixedly connected with the cylinder cover, a protective groove matched with the connecting pipe is formed in the bottom of the protective cover, a lifting handle is arranged above the top cover, and two ends of the lifting handle are respectively and fixedly connected with the mounting seats. The portable air compressor has the advantages of being simple in structure, convenient to move and good in protection performance.

Description

Technical Field

[0001] The utility model belongs to the technical field of air compressor equipment and relates to a portable air compressor. Background Art

[0002] An air compressor is a device used to compress gas, which is a device that converts the mechanical energy of the prime mover into gas pressure energy.

[0003] Existing air compressors generally include a double-shaft motor and crankcases located on both sides of the double-shaft motor. Cylinder assemblies are respectively arranged corresponding to the two crankcases, and the two cylinder assemblies are communicated through a connecting pipe. For example, Chinese Utility Model CN220667773U (publication date: 2024-03-26) discloses an air compressor head, which includes a motor and crankcases located on both sides of the motor. An annular baffle is fixed in the middle of the crankcase to divide the crankcase into an upper crankcase and a lower crankcase. A cylinder assembly is fixedly installed inside the upper crankcase, and a crank mechanism and a cooling fan are fixedly installed inside the lower crankcase. A connecting plate is integrally formed at a position close to the outer side surface of the crankcase on the annular baffle. Threaded holes are opened on the connecting plate, and a side end cover is fixed to the outer side surface of the connecting plate through bolts. A buckle groove is opened at the bottom of the lower crankcase, and a buckle head matched with the buckle groove is opened at the bottom of the side end cover.

[0004] It is relatively difficult to move such an air compressor. Moreover, its air pipes are exposed outside and are easily damaged when hit. Summary of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides a portable air compressor, which has the advantages of simple structure, convenient movement and good protection performance.

[0006] To solve the above technical problems, the purpose of the utility model is achieved through the following technical solutions:

[0007] A portable air compressor includes a motor. Crankcases are respectively arranged on both sides of the motor. A cylinder assembly is arranged above the crankcase. The cylinder heads of the cylinder assembly are communicated through a pair of connecting pipes. A top cover is arranged above the cylinder assembly. The top cover includes mounting seats at both ends and a protective cover in the middle. The mounting seats respectively cover and are fixedly connected to the cylinder heads. A protective groove matched with the connecting pipe is arranged at the bottom of the protective cover. A handle is arranged above the top cover, and both ends of the handle are respectively fixedly connected to the mounting seats.

[0008] In the above-mentioned portable air compressor, mounting grooves are arranged at both ends of the handle. Mounting through holes are respectively arranged in the mounting grooves and on the top cover. Threaded holes are arranged on the cylinder head. Fasteners pass through the mounting through holes and are screwed and fixed with the threaded holes.

[0009] In the above-mentioned portable air compressor, a plurality of heat dissipation fins are arranged on the upper surface of the cylinder head. A heat dissipation cavity is formed between the heat dissipation fins and the top cover. Heat dissipation grooves communicating with the heat dissipation cavity are arranged on both sides and / or the top of the mounting seat. Preferably, heat dissipation grooves communicating with the heat dissipation cavity are arranged on both sides and the top of the mounting seat.

[0010] In the above-mentioned portable air compressor, baffles are arranged at positions corresponding to the heat dissipation grooves at the bottom of the mounting seat. Ventilation openings communicating the heat dissipation cavity and the heat dissipation grooves are formed on both sides of the baffles.

[0011] In the above-mentioned portable air compressor, avoidance grooves are formed on both sides of the heat dissipation fins. The ends of the mounting seat extend downward to form buckles that cooperate with the avoidance grooves. A heat dissipation gap communicating with the heat dissipation cavity is formed between the buckles. Further, buckles that cooperate with the avoidance grooves can also be arranged in the middle or other positions of the mounting seat.

[0012] In the above-mentioned portable air compressor, the heat dissipation grooves are arranged horizontally, and reinforcing rib strips are arranged longitudinally at the bottom of the mounting seat.

[0013] In the above-mentioned portable air compressor, side flanges extend downward from both sides of the protective cover. A plurality of protective plates are arranged between the side flanges. A lower opening groove is formed at the bottom of the protective plate and a through protective groove is formed. The connecting pipe is clamped in the protective groove. The bottoms of the side flanges and the protective plates both extend beyond the bottom of the connecting pipe.

[0014] In the above-mentioned portable air compressor, the protective plates are arranged longitudinally, the protective plates are connected by a plurality of horizontally arranged reinforcing plates, and the top of the protective cover is set as a concavo-convex strengthening structure distributed horizontally.

[0015] Compared with the prior art, the present utility model has the following beneficial effects:

[0016] 1. The present utility model provides a portable air compressor. A top cover is arranged above the cylinder assembly, and a handle is arranged above the top cover. The top cover can protect the cylinder assembly, especially better protect the connecting pipe, and the air compressor can be moved portably through the handle. The present utility model has the advantages of simple structure, convenient movement, and good protection performance.

[0017] 2. The present utility model further arranges heat dissipation grooves on the top cover, avoiding affecting the heat dissipation of the cylinder due to the arrangement of the top cover, and further affecting the performance of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a perspective view of the present utility model;

[0019] Figure 2 is a perspective view of the present utility model from another angle;

[0020] Figure 3 is the exploded view of the present utility model;

[0021] Figure 4 is the three-dimensional view of the top cover of the present utility model;

[0022] Figure 5 is the three-dimensional view of the top cover of the present utility model from another angle;

[0023] Reference numerals: 1, motor; 2, crankcase; 3, cylinder head; 4, connecting pipe; 5, top cover; 6, mounting seat; 7, protective cover; 8, protective groove; 9, handle; 10, mounting groove; 11, mounting through hole; 12, threaded hole; 13, heat dissipation fin; 14, heat dissipation groove; 15, baffle; 16, ventilation opening; 17, avoidance groove; 18, buckle plate; 19, heat dissipation gap; 20, reinforcing rib; 21, side flanging; 22, protective plate; 23, reinforcing plate; 24, concave-convex strengthening structure. Detailed implementation manners

[0024] The present utility model will be further described below with reference to the accompanying drawings in specific embodiments. Refer to Figures 1-5 :

[0025] A portable air compressor includes a motor 1. Crankcases 2 are respectively arranged on both sides of the motor 1. A cylinder assembly is arranged above the crankcases 2. The cylinder heads 3 of the cylinder assembly are communicated through a pair of connecting pipes 4. A top cover 5 is arranged above the cylinder assembly. The top cover 5 includes mounting seats 6 at both ends and a protective cover 7 in the middle. The mounting seats 6 respectively cover and are fixedly connected to the cylinder heads 3. A protective groove 8 matching with the connecting pipe 4 is arranged at the bottom of the protective cover 7. A handle 9 is arranged above the top cover 5. Both ends of the handle 9 are fixedly connected to the mounting seats 6.

[0026] Refer to the attached Figure 1 and the attached Figure 2 . After the mounting seats 6 of the above-mentioned top cover 5 are fixedly connected to the cylinder heads 3, the protective cover 7 simultaneously clamps the connecting pipe 4 into its protective groove 8, forming a limiting and wrapping structure for the connecting pipe 4, which can well protect the connecting pipe 4 and prevent it from being impacted or affected by other external forces. By using the handle 9 above the top cover 5, the air compressor can be moved. Since the handle 9 is installed on the mounting seats 6 of the top cover 5, and the mounting seats 6 are fixedly connected to the cylinder heads 3 at the same time, the handle 9 is not only firmly installed, but also the acting force is evenly distributed when lifting the air compressor, making the movement more labor-saving and convenient.

[0027] In this embodiment, refer to the attached Figure 3, the specific installation structure of the top cover 5 and the handle 9 is that installation grooves 10 are provided at both ends of the handle 9, installation through holes 11 are respectively provided in the installation grooves 10 and the top cover 5, threaded holes 12 are provided on the cylinder head 3, and the fasteners pass through the installation through holes 11 and are screwed and fixed with the threaded holes 12.

[0028] A plurality of heat dissipation fins 13 are provided on the upper surface of the above-mentioned cylinder head 3. A heat dissipation cavity is formed between the heat dissipation fins 13 and the top cover 5. Heat dissipation grooves 14 communicating with the heat dissipation cavity are provided on both sides and / or the top of the mounting seat 6. Preferably, heat dissipation grooves 14 communicating with the heat dissipation cavity are provided on both sides and the top of the mounting seat 6. Through the combination of the heat dissipation fins 13, the heat dissipation cavity and the heat dissipation grooves 14, the heat dissipation performance of the device is enhanced.

[0029] Control appendix Figure 5 , at the position corresponding to the heat dissipation groove 14 at the bottom of the above-mentioned mounting seat 6, a baffle 15 is provided. Ventilation openings 16 communicating the heat dissipation cavity and the heat dissipation groove 14 are formed on both sides of the baffle 15. By providing the baffle 15, sundries can be prevented from falling into the heat dissipation cavity through the heat dissipation groove 14 and affecting the operation of the device.

[0030] Control appendix Figure 4 , in order to make the installation structure of the top cover 5 and the cylinder head 3 more stable, avoidance grooves 17 are formed on both sides of the heat dissipation fins 13. The end of the mounting seat 6 extends downward to form a clamping plate 18 that cooperates with the avoidance groove 17. A heat dissipation gap 19 communicating with the heat dissipation cavity is formed between the clamping plates 18. Further, clamping plates 18 cooperating with the avoidance groove 17 can also be provided in the middle or other positions of the mounting seat 6. In this embodiment, the clamping plates 18 are provided at both ends of the mounting seat 6, and a heat dissipation gap 19 is formed between the clamping plates 18 at the outer end of the mounting seat 6. The heat dissipation gap 19 can further enhance the heat dissipation performance of the device.

[0031] The above-mentioned heat dissipation grooves 14 are arranged horizontally, and reinforcing rib strips 20 are arranged longitudinally at the bottom of the mounting seat 6. By providing the reinforcing rib strips 20, the structural strength of the mounting seat 6, the heat dissipation grooves 14 and the baffle 15 can be enhanced simultaneously.

[0032] Control appendix Figure 5 , in this embodiment, the specific protection structure of the connecting pipe 4 is: side flanges 21 extend downward from both sides of the protective cover 7. A plurality of protective plates 22 are arranged between the side flanges 21. A lower opening groove is formed at the bottom of the protective plate 22 to form a through protective groove 8. The connecting pipe 4 is clamped in the protective groove 8, and the bottoms of the side flanges 21 and the protective plates 22 both extend beyond the bottom of the connecting pipe 4.

[0033] Furthermore, the protective plate 22 is arranged longitudinally, and the protective plate 22 is connected by a plurality of reinforcing plates 23 arranged transversely. The top of the protective cover 7 is provided with a concavo-convex strengthening structure 24 distributed transversely. By arranging the reinforcing plates 23, the structural strength of the protective plate 22 and the protective cover 7 can be increased. By arranging the concavo-convex strengthening structure 24, the structural strength of the protective cover 7 itself can be enhanced.

[0034] The above embodiments are only preferred embodiments of the present invention, and do not limit the protection scope of the present invention accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the present invention should be covered within the protection scope of the present invention.

Claims

1. A portable air compressor, comprising a motor (1), a crankcase (2) is disposed on both sides of the motor (1), a cylinder assembly is disposed above the crankcase (2), a cylinder head (3) of the cylinder assembly is connected via a pair of connecting pipes (4), and is characterized in that: A top cover (5) is arranged above the cylinder assembly, and the top cover (5) includes mounting seats (6) at both ends and a protective cover (7) in the middle, the mounting seats (6) are respectively covered on the cylinder cover (3) and fixedly connected thereto, and a protective groove (8) is arranged at the bottom of the protective cover (7) to cooperate with the connecting pipe (4), and a handle (9) is arranged above the top cover (5), and the two ends of the handle (9) are respectively fixedly connected to the mounting seats (6).

2. A portable air compressor according to claim 1, characterized in that: Both ends of the handle (9) are provided with mounting grooves (10), the mounting grooves (10) and the top cover (5) are respectively provided with mounting through holes (11), the cylinder cover (3) is provided with threaded holes (12), and fasteners pass through the mounting through holes (11) and are screwed and fixed to the threaded holes (12).

3. A portable air compressor according to claim 1, characterized in that: The upper surface of the cylinder cover (3) is provided with a plurality of heat dissipation fins (13), a heat dissipation cavity is formed between the heat dissipation fins (13) and the top cover (5), and heat dissipation grooves (14) communicating with the heat dissipation cavity are provided on both sides and / or the top of the mounting seat (6).

4. A portable air compressor according to claim 3, characterized in that: A baffle (15) is provided at a position on the bottom of the mounting seat (6) corresponding to the heat dissipation groove (14), and ventilation holes (16) are formed on both sides of the baffle (15) to connect the heat dissipation cavity and the heat dissipation groove (14).

5. A portable air compressor according to claim 3, characterized in that: Avoidance grooves (17) are formed on both sides of the heat dissipation fins (13); a buckle plate (18) matching the avoidance groove (17) extends downward from the end of the mounting seat (6); and a heat dissipation gap (19) communicating with the heat dissipation cavity is formed between the buckle plates (18).

6. A portable air compressor according to claim 3, characterized in that: The heat dissipation groove (14) is arranged in the transverse direction, and a reinforcing rib (20) is arranged in the longitudinal direction at the bottom of the mounting seat (6).

7. A portable air compressor according to claim 1, characterized in that: Side flanges (21) extend downwardly from both sides of the protective cover (7), a plurality of protective plates (22) are arranged between the side flanges (21), a lower opening groove is arranged at the bottom of the protective plate (22) and a penetrating protective groove (8) is formed, the connecting pipe (4) is clamped in the protective groove (8), and the bottoms of the side flanges (21) and the protective plates (22) both exceed the bottom of the connecting pipe (4).

8. A portable air compressor according to claim 7, characterized in that: The protective plate (22) is arranged in the longitudinal direction, the protective plate (22) is connected by a plurality of reinforcing plates (23) arranged in the transverse direction, and the top of the protective cover (7) is arranged as a concave-convex reinforcing structure (24) distributed in the transverse direction.

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